GAS NITRIDING INFLUENCE ON FATIGUE AND CREEP BEHAVIORS IN TITANIUM GRADE 2 Palma, KMS, Perina GB, Velloso VMO, Baptista, CARP and Barboza, MJR MATEC Web Conf., 321 (2020) 11095 Published online: 12 October 2020 DOI: 10.1051/matecconf/202032111095